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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

90 °C
60°C
70 °C
100 °C

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DNA Structure and Replication
In an agarose gel, DNA is moving from

A to B
anode to cathode
cathode to anode
left to right

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It intercalates between bases
It does not interact
It binds to phosphate

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

solenoid
halonoid
kinoplast
none of these

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' exonuclease activity
5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity

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DNA Structure and Replication
DNA can be sequenced by the

chain termination procedure
chemical method
both (a) and (b)
physical method

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